Side by side

Christopher Ward C1 MoonglowvsYema Skin Diver Slim CMM.20

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C1 Moonglow
Christopher WardC1 Moonglow
MSRP $3,050
Skin Diver Slim CMM.20
YemaSkin Diver Slim CMM.20
MSRP $2,117

At a glance

15 of 29 specs differ
Diameter
C1 Moonglow40mm
Skin Diver Slim CMM.2047mm
Power Reserve
C1 Moonglow38h
Skin Diver Slim CMM.2040h
Water Resistance
C1 Moonglow30m
Skin Diver Slim CMM.20200m
MSRP
C1 Moonglow$3,050
Skin Diver Slim CMM.20$2,117

Full specifications

Case

6 specs
Category
Diver
Diameter
40mm
47mm
Thickness
12.9mm
10mm
Lug-to-Lug
47.9mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Steel
Lume
SLN X1 WL C1
None

Movement

5 specs
Caliber
SW220-1
Yema CMM.20
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
40h
Jewels
26
25
Complications
Moonphase, Day-date
None

Pricing

1 specs
MSRP
$3,050
$2,117

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward C1 Moonglow

The Christopher Ward C1 Moonglow is widely praised for its comfort, wearability at 40.5mm, and impressive lume, with owners calling it gorgeous, unique, and the coolest moonphase for the money. The moonphase complication is noted as constantly rotating, and one owner reports it accurate to within 1 day every 128 years. Some criticism exists regarding the dual moon phase display, where the inactive moon is visible through a translucent cover, and the lume on the date ring is less bright and fades faster than other luminous elements. One owner specifically loves the opaque blue moonphase dial of the LE Celestial Blue variant. Overall, owners and reviewers find the Christopher Ward C1 Moonglow a visually engaging and comfortable watch, particularly for its price point, with its unique dial design and strong lume being significant draws.

Yema Skin Diver Slim CMM.20

Owners and reviewers widely praise the Yema Skin Diver Slim CMM.20 for its balanced 39mm case, vintage aesthetic, and unique champagne dial. The proprietary CMM.20 micro-rotor movement is a notable feature, though some owners report potential QC issues including erratic timegrapher readings and second-hand stutter. The lume is described as subdued, and while some find the "dragon scale" bracelet beautiful, others consider it generic. The price point is a hurdle for some, and the stamped clasp quality is considered subpar by one reviewer, with a gap noted by an owner. The lack of hacking seconds is flagged as a drawback at its price. Overall, owners and reviewers rate the Yema Skin Diver Slim CMM.20 highly for its vintage charm and balanced wearability.

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